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ASUS CUSI-FX User’s Manual 55
4. BIOS SETUP
4. BIOS SETUP
Advanced Menu
CPU Level 2 Cache ECC Check [Disabled]
This function controls the ECC capability in the CPU level 2 cache. Con-
figuration options: [Disabled] [Enabled]
Processor Serial Number [Disabled]
The Processor Serial Number is a unique number that is added to every
Pentium III processor to help verify the identity of the user across the Internet.
Set this field to [Enabled] when you need increased security for doing busi-
ness online or e-commerce. Otherwise, leave it to its default setting of [Dis-
abled] for greater anonymity when surfing the Internet. NOTE: This field
is available only when a Pentium III processor is installed in your system.
BIOS Update [Enabled]
This functions as an update loader integrated into the BIOS to supply the
processor with the required data. In the default position of [Enabled], the
BIOS will load the update on all processors during system bootup. Configu-
ration options: [Disabled] [Enabled]
PS/2 Mouse Function Control [Auto]
The default of [Auto] allows the system to detect a PS/2 mouse on startup.
If detected, IRQ12 will be used for the PS/2 mouse. IRQ12 will be reserved
for expansion cards only if a PS/2 mouse is not detected. [Enabled] will
always reserve IRQ12, whether on startup a PS/2 mouse is detected or not.
Configuration options: [Enabled] [Auto]
USB Legacy Support [Auto]
This motherboard supports Universal Serial Bus (USB) devices. The de-
fault of [Auto] allows the system to detect a USB device on startup. If de-
tected, USB controller legacy mode will be enabled. If not detected, USB
controller legacy mode will be disabled. When this field is set to [Disabled],
USB controller legacy mode is disabled no matter whether you are using a
USB device or not. Configuration options: [Disabled] [Enabled] [Auto]
OS/2 Onboard Memory > 64M [Disabled]
When using OS/2 operating systems with installed DRAM of greater than
64MB, you need to set this option to [Enabled]; otherwise, leave this on
[Disabled]. Configuration options: [Disabled] [Enabled]